Category Archive: Mobile phones

Feb 28

Android Camera2 Touch-to-Focus

Touch to focus on Android using Camera2 APIs

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Feb 17

My first Thing on Thingiverse!

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Just wanted to share the first Thing I uploaded to Thingiverse (which is a huge open-source collection of 3D-printable or otherwise fabricateable objects). It's a 1/4-20 (standard camera mount) holder for a smartphone using a rubber band. I saw many designs that use screws to hold the phone in place, but I didn't have such …

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Sep 30

FFMpeg with Lame MP3 and streaming for the Arduino Yun

So, I've been trying to stream audio off of a USB microphone connected to an Arduino Yun. Looking into it online I found some examples using ffserver & ffmpeg, which sounded like they could do the trick. However right from the start I've had many problems with playing the streams on Android and iOS devices. …

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Jul 01

Push a file to your Smartphone

This is a quick tip. If you need to push a notification to your smartphone, or even send a file, I recently stumbled upon "Pushbullet". I was looking for a solution to send a file (with automatic download) to my phone, via bash script on my raspberry pi. I've been using pushover for a while, …

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Jan 29

A Creative way to bypass Pattern lock on Android

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Let me start putting everything on the table – this post will describe how I eventually managed to unlock an unrooted, non-Google account linked Samsung Galaxy Mini Plus (GT-5570I) device without ADB support. There are a lot of guides on how to bypass this pattern lock on Android (and I will provide some links), but …

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Nov 03

Android Market's apps compatibility problem [w/ solution]

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WOW That was annoying! From the moment I started using a custom ROM on my Samsung Galaxy S2 (Cognition S2, to be exact), I started having issues with some apps. Sometimes they won't appear in search results, other times it will just say it's not compatible. It drove me nuts! Naturally I started with the …

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Oct 17

Android frame animation revisited [w/ code]

So, been working hard on my projects, and discovered some interesting things in Android possibilities for frame animation. Last time I was using an HTML approach, because of memory consumption issues with using ImageViews. However now my approach is using View.onDraw(Canvas) to draw BMPs straight off files, in an asynchronous way, and it seems to …

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Jun 14

Number Saver gets a new look

Number Saver App Icon

Number Saver (Android App) gets a new look

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Feb 07

Some things I learned about Android's Frame animation

Hi Just a quick share of lessons learned about Android's Frame-by-Frame animations. Some of the functionality is poorly documented, as many people point out, so the web is the only place for answers. Having looked for some answers to these questions and couldn't find any - here's what I found out myself. Update [2/3/11]: A …

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Nov 28

Reading contacts in Android 2.0+

On one of my Android apps, I added a trivial option to select a contact from the phone's contact list. This was working fine until SDK version 5, which changed the way the contacts are represented in the phone's SQLite database. It is using the "newer" class called ContactsContract instead of the deprecated People class …

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